prove

verb (past participle proved or proven /ˈpro͞ovən/)

• 1 [with object] demonstrate the truth or existence of (something) by evidence or argument:the concept is difficult to prove (as adjective proven)a proven ability to work hard
• [with object and complement] demonstrate by evidence or argument (someone or something) to be:innocent until proven guilty
• Law establish the genuineness and validity of (a will).
• (in homeopathy) demonstrate the action of (a remedy) by seeing what effect it produces in a healthy individual.
• [no object, with complement] be seen or found to be:the plan has proved a great success
• (prove oneself) demonstrate one’s abilities or courage:a new lieutenant, very green and very desperate to prove himself
• rare test the accuracy of (a mathematical calculation).
• subject (a gun or other item) to a testing process.

• 2 [no object] (of bread dough) become aerated by the action of yeast; rise.